Weather archive in Porto Alegre (airport)
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| Date / Local time | T | Po | P | Pa | U | DD | Ff | ff10 | ff3 | N | WW | W1 | W2 | Tn | Tx | Cl | Nh | H | Cm | Ch | VV | Td | RRR | tR | E | Tg | E' | sss | |
| 2025 September 18, Thursday | 15 | 27.8 82 | 760.5 29.94 1013.92 1013.92 | 761.3 29.97 1014.98 1014.98 | 46 | Wind blowing from the north-east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | no clouds no clouds no clouds | 20.0 12.4 | 15.0 59 | |||||||||||||||||||
12 | 25.9 79 | 762.4 30.02 1016.45 1016.45 | 763.3 30.05 1017.65 1017.65 | 51 | Wind blowing from the south-east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 50%. 5/10. 4 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | no clouds no clouds no clouds | 2500 or more, or no clouds. 8202 or more, or no clouds. | No Altocumulus, Altostratus or Nimbostratus. | Cirrus uncinus or fibratus, or both, progressively invading the sky; they generally thicken as a whole. | 20.0 12.4 | 14.9 59 | |||||||||||||||
09 | 21.2 70 | 763.6 30.06 1018.05 1018.05 | 764.4 30.09 1019.12 1019.12 | 72 | Wind blowing from the east | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | no clouds no clouds no clouds | 16.8 62 | 20.0 12.4 | 16.0 61 | |||||||||||||||||||
06 | 16.8 62 | 763.0 30.04 1017.25 1017.25 | 763.8 30.07 1018.32 1018.32 | 93 | Wind blowing from the east | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | no clouds no clouds no clouds | 20.0 12.4 | 15.7 60 | ||||||||||||||||||||
03 | 18.2 65 | 762.4 30.02 1016.45 1016.45 | 763.3 30.05 1017.65 1017.65 | -0.5 -0.02 -0.67 -0.67 | 85 | Wind blowing from the east | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | no clouds no clouds no clouds | 20.0 12.4 | 15.7 60 | |||||||||||||||||||
00 | 18.5 65 | 762.9 30.04 1017.12 1017.12 | 763.7 30.07 1018.18 1018.18 | 86 | Wind blowing from the east | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | no clouds no clouds no clouds | 20.0 12.4 | 16.1 61 | ||||||||||||||||||||
| September 17, Wednesday | 21 | 19.1 66 | 763.2 30.05 1017.52 1017.52 | 764.0 30.08 1018.58 1018.58 | 0.7 0.03 0.93 0.93 | 86 | Wind blowing from the east | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | no clouds no clouds no clouds | 25.1 77 | 20.0 12.4 | 16.7 62 | |||||||||||||||||
18 | 21.1 70 | 762.5 30.02 1016.58 1016.58 | 763.3 30.05 1017.65 1017.65 | 77 | Wind blowing from the east-southeast | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | no clouds no clouds no clouds | 20.0 12.4 | 16.8 62 | ||||||||||||||||||||
15 | 25.1 77 | 762.4 30.02 1016.45 1016.45 | 763.2 30.05 1017.52 1017.52 | 64 | Wind blowing from the east | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 40%. 4/10. 3 oktas | Stratocumulus other than Stratocumulus cumulogenitus. | 40%. 4/10. 3 oktas | 1000-1500 3281-4921 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 20.0 12.4 | 17.9 64 | |||||||||||||||